package worktest;

import java.security.MessageDigest;


public class MD5Util {

	public final static String MD5(String s,String miyao){
		char hexDigits[] = miyao.toCharArray();
		System.out.println(hexDigits);
		try {
			byte[] btInput = s.getBytes();
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			mdInst.update(btInput);
			byte[] md = mdInst.digest();
			int j = md.length;
			System.out.println("============"+j);
			char[] str = new char[j*2];
			int k=0;
			for (int i = 0; i < j; i++) {
				byte byte0=md[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			return new String(str);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}
	
	public static void main(String[] args) {
		String s = "22222|music;33333|game;44444|read;55555|comic";
		String miyao="0123456789abcdef";
		System.out.println(MD5(s,miyao));
	}
}
